Another common theme is the struggle between the vampire and human worlds. There are often conflicts arising from the differences in their natures, values, and lifestyles. Fanfiction writers usually show how Edward and Bella deal with these differences and try to find a balance between the two worlds.
One common theme is the exploration of power dynamics. Since Bella is a vampire and Edward is human, it changes the traditional power balance in their relationship. For example, Bella may have to protect Edward from other vampires.
Love against all odds is a very common theme. Since they are from different species, there are a lot of obstacles in their relationship. For example, in many fanfictions, Bella has to control her vampire instincts around Edward, which adds a layer of tension.
One common theme is the exploration of their love in different situations. For example, in some fanfictions, they face new threats to their relationship, like a new vampire clan that doesn't approve of their union. Another theme is the power dynamics between them. Since Edward is a vampire with special abilities and Bella is a human (at least initially), how they navigate that power difference is often explored.
Love is a very common theme. Their intense, often obsessive love for each other is a central part of most fanfictions. Another theme is the struggle between Bella's humanity and the vampire world she's drawn into. Also, the idea of family, like Edward's vampire family and how Bella fits into it.
One interesting aspect could be how their relationship dynamics change. In the original, Edward was the vampire and Bella was the human, so reversing their roles might lead to a different power dynamic. For example, Bella as a vampire would have more physical strength and speed, which could make her more protective of Edward. Also, Edward as a human might struggle with his mortality compared to Bella's immortality, creating new tensions and storylines in the fanfiction.
Another common theme is power. Edward being a vampire king has power, and Bella's transformation also brings power. Fanfictions often play with how they use or struggle with their powers in relation to their relationship.
One common theme is the exploration of their eternal bond. Since they are vampire mates, their connection is supposed to last forever, and many fanfictions focus on how they maintain and strengthen this bond. Another theme is the challenges they face due to their different natures. Bella was once human, and becoming a vampire brings a whole new set of issues. Also, the theme of protecting each other and their family is quite common. They are mates, so they will do anything to keep each other safe.
Another good one is 'The Vampire's Mate'. It delves deeper into the vampire lore and how Bella, as a human, fits into their world. The relationship between Edward and Bella is portrayed in a more intense and detailed way, which makes for a very engaging read.
One common theme is the exploration of normal human relationships. Without the supernatural elements, fans often write about how they meet, fall in love, and deal with everyday relationship issues like jealousy, family approval, and communication problems.
The main characters are Edward, who is a vampire, and Bella, who is a human. Edward is often depicted as mysterious, brooding, and having a strong sense of protection towards Bella.